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THE GOAL

Let me begin by acknowledging that building gospel-saturated community is not an easy task. Cain made it clear that the effects of the fall would throw a wrench in community and relationships in general. Starting with a poor biblical foundation increases that labor significantly. Lifeless community begins when we don’t have a clear understanding of why we are in community in the first place. Yet, when we try to rejuvenate small groups, we generally ask how we can get more people in them, rather than addressing the question of why they exist. It is no surprise that we have a hard time attracting people to such a ministry.

Our goal here is bigger than increasing the number of groups we have in our churches. We want to reestablish the basis for community and why it is, and always has been, essential to the Christian life. Because community takes sacrifice and intentionality, our view of community must be bigger than a way to belong, making church feel smaller, or closing the back door of the church. We need to see the eternal purpose in order to inspire the devotion to community that we see in Acts 2.

A GOOD THING BROKEN

You see, the problem is deeper than the need to belong. On the cross, the community of the Trinity was momentarily broken.1 It was a picture of what sin always does to communities. Sin always separates what God joins together. This truth is seen in Adam’s response to the fall. The first thing that Adam and Eve did in response to their rebellion was hide from God.2 God intended for Adam and Eve to be fruitful and multiply, thereby building communities that would glorify him. Instead, because of indwelling sin, each community was more rebellious than the last, manifesting in relational evil against one another. That moment on the cross was a reflection of our sins of independence, selfishness, rivalry, jealousy, oppression, blame shifting, gossip, backbiting, neglect, isolation, pride, apathy, and every other perversion of grace that destroys community.

There are a couple of problems with a life that perverts grace in this way. First, it is a distorted picture of what God himself is like. A community of God’s people should reflect the nature of God. A community that is marked more by sin than by grace and claims to be a community formed by God misrepresents the Creator. Second, it denies grace by choosing an impoverished and deprived life. The community God creates is good because it reflects him; it is good for his people. Choosing a life outside of community with God denies this truth and is what got us in this mess in the first place.

Christians certainly aren’t the only ones to lament the fragmentation of society. Christian or not, we all have an intrinsic need for community. We all suffer from the isolation that sin breeds. Our neighbors are desperate to belong and be connected to a people. Some try to rebuild community through social action, campaigns, planning better cities, revitalizing neighborhood schools, or feeding the homeless. Others join gangs or social clubs, immerse themselves in virtual communities online, or hang out in coffee shops. These are all attempts to satisfy the need for community, but the problem is, none of these solutions address the real problem. They don’t address the cause of isolation.

The sin that disintegrates our communities and alienates us from one another is what put Jesus on the cross. He experienced the worst isolation and the worst evil—separation from God the Father. He was relationally severed from the eternal community of the Trinity. In trade, he gave us the greatest good, reconciliation to God and others, making community possible.

REBUILT ON THE CROSS

But let’s be honest, we have all fallen short of community that proclaims the truth of God’s goodness and grace, as we are often censored by fear or muzzled by sin. The cross, then, is central to building community within the church. If the church is going to offer an alternative to the brokenness and isolation in the world, then it must be a community that is transformed by the death and resurrection of Jesus.

In Ephesians 2:15b–22, we see the intentionality behind the cross in building (or rebuilding) the community of God:

That he might create in himself one new man in place of the two, so making peace, and might reconcile us both to God in one body through the cross, thereby killing the hostility. And he came and preached peace to you who were far off and peace to those who were near. For through him we both have access in one Spirit to the Father. So then you are no longer strangers and aliens, but you are fellow citizens with the saints and members of the household of God, built on the foundation of the apostles and prophets, Christ Jesus himself being the cornerstone, in whom the whole structure, being joined together, grows into a holy temple in the Lord. In him you also are being built together into a dwelling place for God by the Spirit.

In this text we see that we are a community of believers built on the cornerstone of Jesus. This work is completed and we need only to receive it. Through Christ we are fellow citizens and members of one household reconciled through the cross. We are saved to be a community, not a church of individuals. Dietrich Bonhoeffer sums it up this way: “Christian community means community through and in Jesus Christ.”3 It is through Christ that we have been reconciled to God and to one another. It is in Christ that we are united together like a family who shares the bloodline of Jesus. Jesus gives us the ability to experience life as God intended, in real community with him and one another. In a world searching for belonging, the cross is a beacon of hope. We belong to one another because we have been united in Christ.

The purpose of such community is to display the love of God for the world. We see this design just a few verses earlier in Ephesians 2 when Paul explains why we have been made alive in Christ. He says that it was “so that in the coming ages he might show the immeasurable riches of his grace in kindness toward us in Christ Jesus.”4 This is the purpose of community. We have been saved so that we would express the gospel of Jesus Christ. Living together in community, reconciled and united by the cross, is a physical demonstration of the grace of God.

Community is for us a declaration of the overwhelming love of God, a tangible proclamation of the reconciling work of the cross. This is a truly compelling reason to build community groups within our churches. This is the bigger purpose that can inspire real community. Community groups are a living illustration of the gospel and its power to save. The world needs this, and so does your church.

CREATED FOR COMMUNITY

Understanding why community is essential to the life of the Christian and the proclamation of the gospel begins with understanding that we were created for community.

No one really debates the need for people to exist within community. It is not merely a Christian understanding; it is a human understanding. But belonging in and of itself will never be enough. Hanging the need for community on belonging is like hanging the need for water on thirst. The need for both is deeper. Thirst is a symptom of a deeper design—that your body was created to require water to survive. While we can technically survive without community, we don’t function properly without it. The deeper need for community is embedded in the very fabric of who we are; it is part of our design.

Ask people who they are and you will get plenty of different answers. We often define ourselves by what we do or what we have. This identity determines how we see ourselves and affects every choice we make. Distortions in our identity lead us to search for fulfillment in places other than God and to settle for less than what God intended. If our identity is wrapped up in being self-sufficient and autonomous, then we will likely never experience life-giving community. Start in the wrong place and it really doesn’t matter how good the map is.

Because Jesus has redeemed us, we can reset our identity to reside in the place God intended. When Jesus reconciled us to the Father, he established for us a renewed identity. This identity is a restoration of the image of God in which we were created.

In Genesis, at the pinnacle of creation, God creates mankind. The Bible records that God said, “Let us make man in our image, after our likeness.”5 When God says he is going to make man in his image, he informs us of our intended identity. We are image bearers of God. We exist as a living reflection of God, who exists in eternal community.6

In other words, God exists in an eternal relationship within the Godhead of Father, Son, and Holy Spirit. As a relational being, he creates us as relational beings to represent him to all of creation. God solidifies this point in the creation story of man in Genesis 2. He makes a point of expressing the incompleteness of man apart from community when he says, “It is not good that the man should be alone.”7 Scripture emphasizes that we cannot image God’s relational nature in isolation.

So what does this mean? This means that we were created for community. We were not created simply to appreciate it. We are incomplete without it.

Furthermore, by God’s grace, through the death and resurrection of Jesus, he made true community possible. Jesus restored the image of God that...